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Finding the Fourth Proportional to 1,838.08, 2,754.69 and 1,348.84

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Solution

The fourth proportional to 1,838.08, 2,754.69 and 1,348.84 is: 2,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.08 : 2,754.69 = 1,348.84 : x
  2. Step 2: Convert to fraction form
    1,838.08/2,754.69 = 1,348.84/x
  3. Step 3: Cross multiply
    1,838.08x = 2,754.69 × 1,348.84
  4. Step 4: Simplify right side
    1,838.08x = 3,715,636.06
  5. Step 5: Solve for x
    x = 3,715,636.06/1,838.08
  6. Step 6: Final answer
    x = 2,021.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.